Respuesta :

SINAZEUS
there are 7 boys and 13 girls in the class


work :
[tex] \frac{20}{100} = \frac{x}{35} \\ x = \frac{35 \times 20}{100} = \frac{700}{100} = 7[/tex]
the number of boys is 7


[tex]20 - 7 = 13[/tex]
the number of girls is 13




good luck
35%=35/100=7/5
3/5* 20 or 35:5=7